GB2139043A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Conversational video system having local network control
Assignee: Refinitiv Ltd
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Filing: 1984-03-29
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Granted: —
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Expires: 2004-03-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth James Baldry
- 👤 Martin John Davids
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-27 06:42
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/54; H04M; H04M11/00; H04M11/08; H04M11/085
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
387 words
In a video communication network capable of providing textual data messages to a plurality of subscriber terminals throughout said network, at least a portion of said plurality of subscriber terminals comprising subscriber keystations, each of said subscriber keystations comprising a keyboard means for operator input of textual data messages and associated data control signals to said network via said keyboard means and a video display means for providing a textual video display of at least keyboard generated data input to said network; the improvement comprising at least one message switching interface meansfor routing video conversational textual data message calls throughout said network, said data messages being transmitted through said network in a plurality of data packets, a plurality of said keystations being operatively connected to said one message switching interface means, said one message 40 switching interface means comprising message routing logic means and storage means operatively connected to said message routing logic means for providing message routing logic control signals and further comprising display control logic means and local video display storage means for locally storing video conversational textual data for providing a video display thereof to at least a pair of said keystations which are operatively connected together through said one interface means in a completed call in said 45 network, said keyboard means comprising means for providing unique calling signals to said interface means for initiating calls to a designated keystation portion of said plurality of keystations in said network, said one interface means further comprising means for receiving said calling signals provided thereto for completing a call to said designated connected keystation, said message routing logic means comprising means for controlling the routing of said calling signals and said data packets to said designated keystations to control the completion and logic means and a local storage means operatively connected thereto, each of said local storage means comprising means for locally retrievably storing a copy of said packet routing control program, each of said local message routing logic means comprising means capable of accessing said locally retrievably stored packet routing control program in response to said calling signals and said data packet provision between said keystations connected to said switching concentrator computer message 55 routing means for enabling direct routing of calls between said keystations connected to said switching concentrator computer message routing means.
Claim 2
Dependent Claim
387 words
In a video communication network capable of providing textual data messages to a plurality of subscriber terminals throughout said network, at least a portion of said plurality of subscriber terminals comprising subscriber keystations, each of said subscriber keystations comprising a keyboard means for operator input of textual data messages and associated data control signals to said network via said keyboard means and a video display means for providing a textual video display of at least keyboard generated data input to said network; the improvement comprising at least one message switching interface meansfor routing video conversational textual data message calls throughout said network, said data messages being transmitted through said network in a plurality of data packets, a plurality of said keystations being operatively connected to said one message switching interface means, said one message 40 switching interface means comprising message routing logic means and storage means operatively connected to said message routing logic means for providing message routing logic control signals and further comprising display control logic means and local video display storage means for locally storing video conversational textual data for providing a video display thereof to at least a pair of said keystations which are operatively connected together through said one interface means in a completed call in said 45 network, said keyboard means comprising means for providing unique calling signals to said interface means for initiating calls to a designated keystation portion of said plurality of keystations in said network, said one interface means further comprising means for receiving said calling signals provided thereto for completing a call to said designated connected keystation, said message routing logic means comprising means for controlling the routing of said calling signals and said data packets to said designated keystations to control the completion and logic means and a local storage means operatively connected thereto, each of said local storage means comprising means for locally retrievably storing a copy of said packet routing control program, each of said local message routing logic means comprising means capable of accessing said locally retrievably stored packet routing control program in response to said calling signals and said data packet provision between said keystations connected to said switching concentrator computer message 55 routing means for enabling direct routing of calls between said keystations connected to said switching concentrator computer message routing means.
Claim 3
Dependent Claim
76 words
A video conversational communication network in accordance with claim 1 wherein said one pair of switching concentrator computer message routing means are directly connected to each other via said message communications linkfor enabling said direct routing of said data packets between said keystations 60 connected thereto without routing said data packets through said one node computer message routing means, whereby said data packets may be transmitted between said connected keystations without having to transit said node.
Claim 4
Dependent Claim
112 words
A video conversational communication network in accordance with claim 2 wherein said one message switching interface means further comprises at least another of said node computer message routing 65 A 47 GB 2 139 043 A 47 means, one of said one pair of switching concentrator computer message routing means being directly connected to said one node computer message routing means and the other of said one pair of switching concentrator computer message routing means being directly connected to said other of said node computer message routing means, with said one pair of switching concentrator computer message routing 5 means further being directly connected to each other via said message communications link.
Claim 5
Dependent Claim
35 words
A video conversational communication network in accordance with claim 3 wherein said one and said other of said node computer message routing means are further directly connected to each other via said message communications link.
Claim 6
Dependent Claim
109 words
A video conversational communication network in accordance with claim 2 wherein said one message switching interface means further comprises a third one of said switching concentrator computer message routing means directly connected to said one pair of said switching concentrator computer message routing means via said message communications link for directly routing calls between said one pair of said switching concentrator computer message routing means and said third one of said switching concentrator computer message routing means, another of said keystation terminal controller interface means being operatively connected between another keystation in said plurality of keystations and said third one of said 15 switching concentrator computer message routing means.
Claim 7
Dependent Claim
47 words
A video conversational communication network in accordance with claim 5 wherein said one pair and said third one of said switching concentrator computer message routing means are connected together via said message communications link in a daisy chain configuration with said one node computer message routing means.
Claim 8
Dependent Claim
44 words
A video conversational communication network in accordance with claim 5 wherein said third one of said switching concentrator computer message routing means is directly connected to each one of said one pair of switching concentrator computer message routing means via said message communications link.
Claim 9
Dependent Claim
37 words
A video conversational communication network in accordance with claim 5 wherein each one of said one pair of said switching concentrator computer message routing means are directly connected to said one 25 node computer message routing means.
Claim 10
Dependent Claim
53 words
A video conversational communication network in accordance with claim 8 wherein said third one of said switching concentrator computer message routing means is only connected via said message communications link to said one node computer message routing means via said connections through said one pair of said switching concentrator computer message routing means.
Claim 11
Dependent Claim
53 words
A video conversational communication network in accordance with claim 7 wherein said third one of said switching concentrator computer message routing means is only connected via said message communications link to said one node computer message routing means via said connections through said one pair of said switching concentrator computer message routing means.
Claim 12
Dependent Claim
37 words
A video conversational communication network in accordance with claim 1 wherein each one of said 35 one pair of said switching concentrator computer message routing means are directly connected to said one node computer message routing means.
Claim 13
Dependent Claim
60 words
A video conversational communication network in accordance with claim 1 wherein said one message switching interface means further comprises at least another of said node computer message routing means, each of said one pair of said switching concentrator computer message routing means being 40 directly connected to each of said node computer message routing means via said message communications link.
Claim 14
Dependent Claim
35 words
A video conversational communication network in accordance with claim 12 wherein said one and said other of said node computer message routing means are further directly connected to each other via said message comunications link.
Claim 15
Dependent Claim
353 words
A video conversational communication network in accordance with claim 1 wherein said display control logic means comprises means for initiating transmission of said keyboard generated video conversational textual data packets between said connected keystations conducting of said initiated calls, said display control logic means comprising means for providing on said pair of connected keystation video display means a video display of video conversational textual data transmitted in said data packets between 50 said connected keystations in said networkwith which said call has been completed via said separate keyboard means associated with said pair of connected keystations, said keyboard means calling signal providing means further comprising means for providing said data packets to said interface means for providing said video conversational textual data messages between said connected keystations during a call therebetween, said one message switching interface means storage means comprising means for retrievably storing a packet routing control program for controlling the routing of said data packets between said connected key stations during said call therebetween, said switching interface means message routing logic means comprising means capable of accessing said packet routing control program in response to said calling signals and said data packet provision for connecting and routing said provided data packets between said connected keystations, said one message switching interface means comprising at least one node computer message routing means, at least one pair of switching concentrator computer message routing means operatively connected to said one node computer message routing means and to each other via a message communications link and at least one keystation terminal controller interface means operatively connected between each of said keystations between which said call is completed and each of said pair of switching concentrator computer message routing means, said node computer message routing means 48 GB 2 139 043 A 48 comprising said message routing logic means and said storage means operatively connected thereto, each of said switching concentrator computer message routing means comprising a local message routing in multicharacter data packets comprising less than the total video displayable data content of one video displayable line of one of said video textual data conversational messages.
Claim 16
Dependent Claim
61 words
A video conversational communication network in accordance with claim 2 wherein said display control logic means comprises means for initiating transmission of said keyboard generated video conversational textual data packets between said connected keystations in multicharacter data packets comprising less than the total video displayable data content of one video displayable line of one of said video textual data conversational messages.
Claim 17
Dependent Claim
61 words
A video conversational communication network in accordance with claim 6 wherein said display control logic means comprises means for initiating transmission of said keyboard generated video conversational textual data packets between said connected keystations in multicharacter data packets comprising less than the total video displayable data content of one video displayable line of one of said video textual data conversational messages.
Claim 18
Dependent Claim
61 words
A video conversational communication network in accordance with claim 8 wherein said display control logic means comprises means for initiating transmission of said keyboard generated video conversational textual data packets between said connected keystations in multicharacter data packets comprising less than the total video displayabie data content of one video displayable line of one of said video textual data conversational messages.
Claim 19
Dependent Claim
61 words
A video conversational communication network in accordance with claim 9 wherein said display control logic means comprises means for initiating transmission of said keyboard generated video conversational textual data packets between said connected keystations in multicharacter data packets comprising less than the total video displayable data content of one video displayable line of one of said video textual data conversational messages.
Claim 20
Dependent Claim
62 words
A video conversational communication network in accordance with claim 13 wherein said display 25 control logic means comprises means for initiating transmission of said keyboard generated video conversational textual data packets between said connected keystations in multicharacter data packAs comprising less than the total video displayable data content of one video displayable line of one of said video textual data conversational messages.
Claim 21
Dependent Claim
112 words
A video conversational communication network in accordance with claim 1 wherein said display control logic means comprises means for providing on said one connected keystation video display means a substantially simultaneous video display of video conversational textual data received from two different designated keystations in said network connected to different ones of said switching concentrator computer message routing means through which calls are completed via said separate keyboard means associated with said two different designated keystations and transmitted to said two different designated keystations via said keyboard means associated with said one connected keystation, whereby different video conversations may be substantially simultaneously carried out with different keystations on a common video display.
Claim 22
Dependent Claim
113 words
A video conversational communication network in accordance with claim 2 wherein said display control logic means comprises means for providing on said one connected keystation video display means a 40 substantially simultaneous video display of video conversational textual data received from two different designated keystations in said network connected to different ones of said switching concentrator computer message routing means through which calls are completed via said separate keyboard means associated with said two different designated keystations and transmitted to said two different designated keystations via said keyboard means associated with said one connected keystation, whereby different video conversations may be substantially simultaneously carried out with different keystations on a common video display.
Claim 23
Dependent Claim
112 words
A video conversational communication network in accordance with claim 6 wherein said display control logic means comprises means for providing on said one connected keystation video display means a substantially simultaneous video display of video conversational textural data received from two different designated keystations in said network connected to different ones of said switching concentrator computer message routing means through which calls are completed via said separate keyboard means associated with said two different designated keystations and transmitted to said two different designated keystations via said keyboard means associated with said one connected keystation, whereby different video conversations may be substantially simultaneously carried out with different keystations on a common video display.
Claim 24
Dependent Claim
122 words
A video conversational communication network in accordance with claim 8 wherein said display control logic means comprises means for providing on said one connected keystation video display means a substantially simultaneous video display of video conversational textual data received from two different designated keystations in said network connected to different ones of said switching concentrator computer 60 message routing means through which calls are completed via said separate keyboard means associated with said two different designated keystations and transmitted to said two different designated keystations via said keyboard means associated with said one connected keystation, whereby different video conversations may be substantially simultaneously carried out with different keystations on a common video display. A i, 49 GB 2 139 043 A 49
Claim 25
Dependent Claim
112 words
A video conversational communication network in accordance with claim 9 wherein said display control logic means comprises means for providing on said one connected keystation video display means a substantially simultaneous video display of video conversational textual data received from two different designated keystations in said network connected to different ones of said switching concentrator computer message routing means through which calls are completed via said separate keyboard means associated with said two different designated keystations and transmitted to said two different designated keystations via said keyboard means associated with said one connected keystation, whereby different video conversations may be substantially simultaneously carried out with different keystations on a common video display.
Claim 26
Dependent Claim
114 words
A video conversational communication network in accordance with claim 13 wherein said display 10 control logic means comprises means for providing on said one connected keystation video display means a substantially simultaneous video display of video conversational textual data received from two different designated keystations in said network connected to different ones of said switching concentrator computer message routing means through which calls are completed via said separate keyboard means associated with said two different designated keystations and transmitted to said two different designated keystations 15 via said keyboard means associated with said one connected keystation, whereby different video conversations may be substantially simultaneously carried out with different keystations on a common video display.
Claim 27
Dependent Claim
140 words
A video conversational communication network in accordance with claim 1 wherein said one message switching interface means further comprises at least one host computer network control means 20 with said one node computer message routing means being operatively connected thereto, said host computer network control means comprising remote message routing logic means and remote storage means operatively connected thereto, said remote storage means comprising means for remotely retrievably storing a copy of said packet routing control program, said remote message routing logic means comprising means capable of accessing said remotely retrievably stored packet routing control program in response to said unique calling signals provided thereto for completing said call to said designated connected keystation, said data packets being transmitted between said connected keystation after said call has been completed therebetween without intervention of said one host computer network control means.
Claim 28
Dependent Claim
76 words
A video conversational communication network in accordance with claim 26 wherein said one pair of switching concentrator computer message routing means are directly connected to each other via said message communications link for enabling said direct routing of said data packets between said keystations connected thereto without routing said data packets through said one node computer message routing means, whereby said data packets may be transmitted between said connected keystations without having to transit said node.
Claim 29
Dependent Claim
35 words
A video conversational communication network in accordance with claim 27 wherein said message 35 routing logic means selects the shortest route for said data packets in accordance with said retrievably stored packet routing control program.
Claim 30
Dependent Claim
123 words
A video conversational communication network in accordance with claim 27 wherein said one message switching interface means further comprises at least another of said node computer message routing means, one of said one pair of switching concentrator computer message routing means being directly connected to said one node computer message routing means and the other of said one pair of switching concentrator computer message routing means being directly connected to said other of said node computer message routing means, with said one pair of switching concentrator computer message routing means further being directly connected to each other via said message communications link, said other of said node computer message routing means being operatively connected to said one host computer 45 network control means.
Claim 31
Dependent Claim
35 words
A video conversational communication network in accordance with claim 29 wherein said one and said other of said node computer message routing means are further directly connected to each other via said message communications link.
Claim 32
Dependent Claim
109 words
A video conversational communication network in accordance with claim 27 wherein said one 50 message switching interface means further comprises a third one of said switching concentrator computer message routing means directly connected to said one pair of said switching concentrator computer message routing means via said message communications link for directly routing calls between said one pair of said switching concentrator computer message routing means and said third one of said switching concentrator computer message routing means, another of said keystation terminal controller interface means being operatively connected between another keystation in said plurality of keystations and said third one of said switching concentrator computer message routing means.
Claim 33
Dependent Claim
48 words
A video conversational communication network in accordance with claim 31 wherein said one pair and said third one of said switching concentrator computer message routing means are connected together via said message communications link in a daisy chain configuration with said one node computer message 60 routine means.
Claim 34
Dependent Claim
49 words
A video conversational communication network in accordance with claim 31 wherein said third one of said switching concentrator computer message routing means is directly connected to each one of said one pair of switching concentrator computer message routing means via said message communications link. GB 2 139 043 A
Claim 35
Dependent Claim
36 words
A video conversational communication network in accordance with claim 31 wherein each one of said one pair of said switching concentrator computer message routine means are directly connected to said one node computer message routing means.
Claim 36
Dependent Claim
53 words
A video conversational communication network in accordance with claim 34 wherein said third one of said switching concentrator computer message routing means is only connected via said message communications link to said one node computer message routing means via said connections through said one pair of said switching concentrator computer message routing means.
Claim 37
Dependent Claim
54 words
A video conversational communication network in accordance with claim 33 wherein said third one of said switching concentrator computer message routing means is only connected via said message communications link to said one node computer message routing means via said connections through said 10 one pair of said switching concentrator computer message routing means.
Claim 38
Dependent Claim
36 words
A video conversational communication network in accordance with claim 26 wherein each one of said one pair of said switching concentrator computer message routing means are directly connected to said one node computer message routing means.
Claim 39
Dependent Claim
79 words
A video conversational communication network in accordance with claim 26 wherein said one message switching interface means further comprises at least another of said node computer message routing means, each of said one pair of said switching concentrator computer message routing means being directly connected to each of said node computer message routing means via said message communications link, said other of said node computer message routing means being operatively connected to said one host computer network control means.
Claim 40
Dependent Claim
35 words
A video conversational communication network in accordance with claim 38 wherein said one and said other of said node computer message routing means are further directly connected to each other via said message communications link.
Claim 41
Dependent Claim
61 words
-A video conversational communication network in accordance with claim 26 wherein said display control logic means comprises means for initiating transmission of said keyboard generated video conversational textual data packets between said connected keystations in multicharacter data packets comprising less than the total video displayable data content of one video displayable line of one of said video textual data conversational messages.
Claim 42
Dependent Claim
113 words
A video conversational communication network in accordance with claim 26 wherein said display control logic means comprises means for providing on said one connected keystation video display means a 30 substantially simultaneous video display of video conversational textual data received from two different designated keystations in said network connected to different ones of said switching concentrator computer message routing means through which calls are completed via said separate keyboard means associated with said two different designated keystations and transmitted to said two different designated keystations via said keyboard means associated with said one connected keystation, whereby different video conversations may be substantially simultaneously carried out with different keystations on a common video display.
Claim 43
Dependent Claim
44 words
A video conversational communication network substantially as hereinbefore described with reference to the accompanying drawings. Printed in the UK for HMSO, D8818935, 9184, 7102. Published by The Patent Office, 25 Southampton Buildings, London, WC2A lAY, from which copies may be obtained. I! R WI
Claim 44
Dependent Claim
44 words
A video conversational communication network substantially as hereinbefore described with reference to the accompanying drawings. Printed in the UK for HMSO, D8818935, 9184, 7102. Published by The Patent Office, 25 Southampton Buildings, London, WC2A lAY, from which copies may be obtained. I! R WI
References Cited (Backward Citations)
No citation records indexed.
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